Home / 93,020.20-139,530.30-33,857.80

Finding the Fourth Proportional to 93,020.20, 139,530.30 and 33,857.80

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Solution

The fourth proportional to 93,020.20, 139,530.30 and 33,857.80 is: 50,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,020.20 : 139,530.30 = 33,857.80 : x
  2. Step 2: Convert to fraction form
    93,020.20/139,530.30 = 33,857.80/x
  3. Step 3: Cross multiply
    93,020.20x = 139,530.30 × 33,857.80
  4. Step 4: Simplify right side
    93,020.20x = 4,724,188,991.34
  5. Step 5: Solve for x
    x = 4,724,188,991.34/93,020.20
  6. Step 6: Final answer
    x = 50,786.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.